Marware has introduced its new C.E.O. Premiere+ case for the iPhone 3G and iPhone 3GS. The C.E.O. Premiere+ combines a hip case made from eco-leather, featuring a Velcro closure, integrated low-profile belt clip, fleece interior, and perforated leather design, with a hard shell case offering open access to all ports and controls. The hard shell can be used on its own or in conjunction with the hip case; the package also includes a clear screen protector…